Added facility for configuration

src/main/java/org/gcube/gcat/client/Configuration.java

@@ -0,0 +1,53 @@
+package org.gcube.gcat.client;
+
+import java.net.MalformedURLException;
+import java.net.URL;
+
+import javax.xml.ws.WebServiceException;
+
+/**
+ * @author Luca Frosini (ISTI - CNR)
+ */
+public class Configuration extends GCatClient implements org.gcube.gcat.api.interfaces.Configuration<String,Void> {
+	
+	public Configuration() throws MalformedURLException {
+		super(CONFIGURATION);
+	}
+	
+	public Configuration(URL enforcedServiceURL) throws MalformedURLException {
+		super(enforcedServiceURL, CONFIGURATION);
+	}
+
+	@Override
+	public String create(String json) throws WebServiceException {
+		return super.create(json);
+	}
+
+	@Override
+	public String read() throws WebServiceException {
+		return super.read(CURRENT_CONTEXT_PATH_PARAMETER);
+	}
+
+	@Override
+	public String update(String json) throws WebServiceException {
+		return super.update(json, CURRENT_CONTEXT_PATH_PARAMETER);
+	}
+
+	@Override
+	public String patch(String json) throws WebServiceException {
+		return super.patch(json, CURRENT_CONTEXT_PATH_PARAMETER);
+	}
+
+	@Override
+	public Void delete() throws WebServiceException {
+		super.delete(false, CURRENT_CONTEXT_PATH_PARAMETER);
+		return null;
+	}
+
+	@Override
+	public Void purge() throws WebServiceException {
+		super.delete(true, CURRENT_CONTEXT_PATH_PARAMETER);
+		return null;
+	}
+
+}